Hi Kurt, On Wed, Mar 09, 2016 at 11:26:35AM -0300, Kurt Kraut via NANOG wrote: > I'm trying to convince my local Internet Exchange location (and it is not > small, exceed 1 terabit per second on a daily basis) to adopt jumbo frames. > For IPv6 is is hassle free, Path MTU Discovery arranges the max MTU per > connection/destination. > > For IPv4, it requires more planning. For instance, two datacenters tend to > exchange relevant traffic because customers with disaster recovery in mind > (saving the same content in two different datacenters, two different > suppliers). In most cases, these datacenters are quite far from each other, > even in different countries. In this context, jumbo frames would allow max > speed even the latency is from a tipical international link. > > Could anyone share with me Internet Exchanges you know that allow jumbo > frames (like https://www.gr-ix.gr/specs/ does) and how you notice benefit > from it?
You might find this presentation interesting: https://www.nanog.org/sites/default/files/wednesday.general.steenbergen.antijumbo.pdf The presenter argues: "Internet-wide Jumbo Frames will probably cause infinitely more harm than good under the current technology." Kind regards, Job